cloud computing- components, working, pros and cons
DESCRIPTION
what is cloud computing? A simple and learning approachTRANSCRIPT
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ComputingCloud
Presented by:Amritpal Singh bedi
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• Large group of remote servers• Provide high storage space• Multiple user can access data through single server
without purchasing licenses for different apps• New IT focus
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Cloud Infrastructure
Full virtualization
Para virtualization
• Installation actually in servers but shown in clients
• For running unique apps• One way to access cloud
• Multiple OS on one device at same time
• Better scaling; requires less processor utilization
• Used for: a) disaster recovery
b) capacity management
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Components :Clients
Server
Distributed service
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Microsoft
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Pros: 1. Applications access without installing2. Approx. unlimited data storage3. Access data from anywhere
Cons:1.Internet outage2.Site access3.No secrecy
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Cloud Computing Service ModelCLIENTS
SAAS
PAAS
IAAS
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• Apps are hosted by single provider
• User need to access it by its own browser
• No subscription fee
Software As A Service
• For storing images
• For storing any data
• Access to application software and databases
Storage As A Service
SAAS
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PAAS ( Platform As A Service)No need to install softwarecloud providers deliver a computing platform.Benefits: Application development, design &
testing.
Pros:• Improved performance• Lower cost• Flexibility
Cons: • Complexity• Security• Labor costs
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Infrastructure As A Service IAAS offer computers – physical or virtual machines. Infrastructure as a Service is sometimes referred to as Hardware as a Service. The service provider owns the equipment and is responsible for housing, running and maintaining it. IAAS are costly. Used by corporates.
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Real Example
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Cloud migration planning
• Get educated• Calculate saving• Assess security• Hire professionals• Define desired outcomes• Run test migration
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Economic benefits
•People
•Hardware
•Pay as you go
• Time to market
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OPERATIONAL BENEFIT• Reduce Cost
• Increase storage
• Automation
• Flexibility
• Mobility
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Security risks
• Privileged user access
• Regulatory compliance
• Data location
• Recovery
• Long term viability
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Monitoring performance
• Connection speed speedtest.net ,cloudstatus hyperic.com
• Datastore delete times
• Datastore read times
• Lag time
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Lets have a small video…
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